diff options
Diffstat (limited to 'drivers/media/video/gspca/pac7311.c')
| -rw-r--r-- | drivers/media/video/gspca/pac7311.c | 760 |
1 files changed, 760 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/pac7311.c b/drivers/media/video/gspca/pac7311.c new file mode 100644 index 000000000000..5c052e31be4a --- /dev/null +++ b/drivers/media/video/gspca/pac7311.c @@ -0,0 +1,760 @@ +/* + * Pixart PAC7311 library + * Copyright (C) 2005 Thomas Kaiser thomas@kaiser-linux.li + * + * V4L2 by Jean-Francois Moine <http://moinejf.free.fr> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#define MODULE_NAME "pac7311" + +#include "gspca.h" + +#define DRIVER_VERSION_NUMBER KERNEL_VERSION(2, 1, 7) +static const char version[] = "2.1.7"; + +MODULE_AUTHOR("Thomas Kaiser thomas@kaiser-linux.li"); +MODULE_DESCRIPTION("Pixart PAC7311"); +MODULE_LICENSE("GPL"); + +/* specific webcam descriptor */ +struct sd { + struct gspca_dev gspca_dev; /* !! must be the first item */ + + int avg_lum; + + unsigned char brightness; + unsigned char contrast; + unsigned char colors; + unsigned char autogain; + + char ffseq; + signed char ag_cnt; +#define AG_CNT_START 13 +}; + +/* V4L2 controls supported by the driver */ +static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val); +static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val); +static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val); +static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val); +static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val); +static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val); +static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val); +static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val); + +static struct ctrl sd_ctrls[] = { + { + { + .id = V4L2_CID_BRIGHTNESS, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Brightness", + .minimum = 0, +#define BRIGHTNESS_MAX 0x20 + .maximum = BRIGHTNESS_MAX, + .step = 1, +#define BRIGHTNESS_DEF 0x10 + .default_value = BRIGHTNESS_DEF, + }, + .set = sd_setbrightness, + .get = sd_getbrightness, + }, + { + { + .id = V4L2_CID_CONTRAST, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Contrast", + .minimum = 0, + .maximum = 255, + .step = 1, +#define CONTRAST_DEF 127 + .default_value = CONTRAST_DEF, + }, + .set = sd_setcontrast, + .get = sd_getcontrast, + }, + { + { + .id = V4L2_CID_SATURATION, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Color", + .minimum = 0, + .maximum = 255, + .step = 1, +#define COLOR_DEF 127 + .default_value = COLOR_DEF, + }, + .set = sd_setcolors, + .get = sd_getcolors, + }, + { + { + .id = V4L2_CID_AUTOGAIN, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "Auto Gain", + .minimum = 0, + .maximum = 1, + .step = 1, +#define AUTOGAIN_DEF 1 + .default_value = AUTOGAIN_DEF, + }, + .set = sd_setautogain, + .get = sd_getautogain, + }, +}; + +static struct v4l2_pix_format vga_mode[] = { + {160, 120, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, + .bytesperline = 160, + .sizeimage = 160 * 120 * 3 / 8 + 590, + .colorspace = V4L2_COLORSPACE_JPEG, + .priv = 2}, + {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, + .bytesperline = 320, + .sizeimage = 320 * 240 * 3 / 8 + 590, + .colorspace = V4L2_COLORSPACE_JPEG, + .priv = 1}, + {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, + .bytesperline = 640, + .sizeimage = 640 * 480 * 3 / 8 + 590, + .colorspace = V4L2_COLORSPACE_JPEG, + .priv = 0}, +}; + +#define PAC7311_JPEG_HEADER_SIZE (sizeof pac7311_jpeg_header) /* (594) */ + +static const __u8 pac7311_jpeg_header[] = { + 0xff, 0xd8, + 0xff, 0xe0, 0x00, 0x03, 0x20, + 0xff, 0xc0, 0x00, 0x11, 0x08, + 0x01, 0xe0, /* 12: height */ + 0x02, 0x80, /* 14: width */ + 0x03, /* 16 */ + 0x01, 0x21, 0x00, + 0x02, 0x11, 0x01, + 0x03, 0x11, 0x01, + 0xff, 0xdb, 0x00, 0x84, + 0x00, 0x10, 0x0b, 0x0c, 0x0e, 0x0c, 0x0a, 0x10, 0x0e, 0x0d, + 0x0e, 0x12, 0x11, 0x10, 0x13, 0x18, 0x28, 0x1a, 0x18, 0x16, + 0x16, 0x18, 0x31, 0x23, 0x25, 0x1d, 0x28, 0x3a, 0x33, 0x3d, + 0x3c, 0x39, 0x33, 0x38, 0x37, 0x40, 0x48, 0x5c, 0x4e, 0x40, + 0x44, 0x57, 0x45, 0x37, 0x38, 0x50, 0x6d, 0x51, 0x57, 0x5f, + 0x62, 0x67, 0x68, 0x67, 0x3e, 0x4d, 0x71, 0x79, 0x70, 0x64, + 0x78, 0x5c, 0x65, 0x67, 0x63, 0x01, 0x11, 0x12, 0x12, 0x18, + 0x15, 0x18, 0x2f, 0x1a, 0x1a, 0x2f, 0x63, 0x42, 0x38, 0x42, + 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, + 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, + 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, + 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, + 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, + 0xff, 0xc4, 0x01, 0xa2, 0x00, 0x00, 0x01, 0x05, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x09, 0x0a, 0x0b, 0x10, 0x00, 0x02, 0x01, 0x03, 0x03, 0x02, + 0x04, 0x03, 0x05, 0x05, 0x04, 0x04, 0x00, 0x00, 0x01, 0x7d, + 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, 0x21, 0x31, + 0x41, 0x06, 0x13, 0x51, 0x61, 0x07, 0x22, 0x71, 0x14, 0x32, + 0x81, 0x91, 0xa1, 0x08, 0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, + 0xd1, 0xf0, 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16, + 0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, + 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x43, 0x44, 0x45, + 0x46, 0x47, 0x48, 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, + 0x58, 0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, + 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x83, + 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, + 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, + 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, + 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, + 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, + 0xd9, 0xda, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, + 0xe9, 0xea, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, + 0xf9, 0xfa, 0x01, 0x00, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, + 0x0b, 0x11, 0x00, 0x02, 0x01, 0x02, 0x04, 0x04, 0x03, 0x04, + 0x07, 0x05, 0x04, 0x04, 0x00, 0x01, 0x02, 0x77, 0x00, 0x01, + 0x02, 0x03, 0x11, 0x04, 0x05, 0x21, 0x31, 0x06, 0x12, 0x41, + 0x51, 0x07, 0x61, 0x71, 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, + 0x42, 0x91, 0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0, + 0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34, 0xe1, 0x25, + 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26, 0x27, 0x28, 0x29, 0x2a, + 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, + 0x47, 0x48, 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, + 0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, + 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x82, 0x83, + 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, + 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, + 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, + 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, + 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, + 0xd9, 0xda, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, + 0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, + 0xff, 0xda, 0x00, 0x0c, 0x03, 0x01, 0x00, 0x02, 0x11, 0x03, + 0x11, 0x00, 0x3f, 0x00 +}; + +static void reg_w_buf(struct gspca_dev *gspca_dev, + __u16 index, + const char *buffer, __u16 len) +{ + memcpy(gspca_dev->usb_buf, buffer, len); + usb_control_msg(gspca_dev->dev, + usb_sndctrlpipe(gspca_dev->dev, 0), + 1, /* request */ + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0, /* value */ + index, gspca_dev->usb_buf, len, + 500); +} + +static __u8 reg_r(struct gspca_dev *gspca_dev, + __u16 index) +{ + usb_control_msg(gspca_dev->dev, + usb_rcvctrlpipe(gspca_dev->dev, 0), + 0, /* request */ + USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0, /* value */ + index, gspca_dev->usb_buf, 1, + 500); + return gspca_dev->usb_buf[0]; +} + +static void reg_w(struct gspca_dev *gspca_dev, + __u16 index, + __u8 value) +{ + gspca_dev->usb_buf[0] = value; + usb_control_msg(gspca_dev->dev, + usb_sndctrlpipe(gspca_dev->dev, 0), + 0, /* request */ + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + value, index, gspca_dev->usb_buf, 1, + 500); +} + +/* this function is called at probe time */ +static int sd_config(struct gspca_dev *gspca_dev, + const struct usb_device_id *id) +{ + struct sd *sd = (struct sd *) gspca_dev; + struct cam *cam; + + PDEBUG(D_CONF, "Find Sensor PAC7311"); + reg_w(gspca_dev, 0x78, 0x40); /* Bit_0=start stream, Bit_7=LED */ + reg_w(gspca_dev, 0x78, 0x40); /* Bit_0=start stream, Bit_7=LED */ + reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_7=LED */ + reg_w(gspca_dev, 0xff, 0x04); + reg_w(gspca_dev, 0x27, 0x80); + reg_w(gspca_dev, 0x28, 0xca); + reg_w(gspca_dev, 0x29, 0x53); + reg_w(gspca_dev, 0x2a, 0x0e); + reg_w(gspca_dev, 0xff, 0x01); + reg_w(gspca_dev, 0x3e, 0x20); + + cam = &gspca_dev->cam; + cam->dev_name = (char *) id->driver_info; + cam->epaddr = 0x05; + cam->cam_mode = vga_mode; + cam->nmodes = ARRAY_SIZE(vga_mode); + + sd->brightness = BRIGHTNESS_DEF; + sd->contrast = CONTRAST_DEF; + sd->colors = COLOR_DEF; + sd->autogain = AUTOGAIN_DEF; + return 0; +} + +static void setbrightness(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + int brightness; + +/*jfm: inverted?*/ + brightness = BRIGHTNESS_MAX - sd->brightness; + reg_w(gspca_dev, 0xff, 0x04); +/* reg_w(gspca_dev, 0x0e, 0x00); */ + reg_w(gspca_dev, 0x0f, brightness); + /* load registers to sensor (Bit 0, auto clear) */ + reg_w(gspca_dev, 0x11, 0x01); + PDEBUG(D_CONF|D_STREAM, "brightness: %i", brightness); +} + +static void setcontrast(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + + reg_w(gspca_dev, 0xff, 0x01); + reg_w(gspca_dev, 0x80, sd->contrast); + /* load registers to sensor (Bit 0, auto clear) */ + reg_w(gspca_dev, 0x11, 0x01); + PDEBUG(D_CONF|D_STREAM, "contrast: %i", sd->contrast); +} + +static void setcolors(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + + reg_w(gspca_dev, 0xff, 0x01); + reg_w(gspca_dev, 0x10, sd->colors); + /* load registers to sensor (Bit 0, auto clear) */ + reg_w(gspca_dev, 0x11, 0x01); + PDEBUG(D_CONF|D_STREAM, "color: %i", sd->colors); +} + +/* this function is called at open time */ +static int sd_open(struct gspca_dev *gspca_dev) +{ + reg_w(gspca_dev, 0x78, 0x00); /* Turn on LED */ + return 0; +} + +static void sd_start(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + + reg_w(gspca_dev, 0xff, 0x01); + reg_w_buf(gspca_dev, 0x0002, "\x48\x0a\x40\x08\x00\x00\x08\x00", 8); + reg_w_buf(gspca_dev, 0x000a, "\x06\xff\x11\xff\x5a\x30\x90\x4c", 8); + reg_w_buf(gspca_dev, 0x0012, "\x00\x07\x00\x0a\x10\x00\xa0\x10", 8); + reg_w_buf(gspca_dev, 0x001a, "\x02\x00\x00\x00\x00\x0b\x01\x00", 8); + reg_w_buf(gspca_dev, 0x0022, "\x00\x00\x00\x00\x00\x00\x00\x00", 8); + reg_w_buf(gspca_dev, 0x002a, "\x00\x00\x00", 3); + reg_w_buf(gspca_dev, 0x003e, "\x00\x00\x78\x52\x4a\x52\x78\x6e", 8); + reg_w_buf(gspca_dev, 0x0046, "\x48\x46\x48\x6e\x5f\x49\x42\x49", 8); + reg_w_buf(gspca_dev, 0x004e, "\x5f\x5f\x49\x42\x49\x5f\x6e\x48", 8); + reg_w_buf(gspca_dev, 0x0056, "\x46\x48\x6e\x78\x52\x4a\x52\x78", 8); + reg_w_buf(gspca_dev, 0x005e, "\x00\x00\x09\x1b\x34\x49\x5c\x9b", 8); + reg_w_buf(gspca_dev, 0x0066, "\xd0\xff", 2); + reg_w_buf(gspca_dev, 0x0078, "\x44\x00\xf2\x01\x01\x80", 6); + reg_w_buf(gspca_dev, 0x007f, "\x2a\x1c\x00\xc8\x02\x58\x03\x84", 8); + reg_w_buf(gspca_dev, 0x0087, "\x12\x00\x1a\x04\x08\x0c\x10\x14", 8); + reg_w_buf(gspca_dev, 0x008f, "\x18\x20", 2); + reg_w_buf(gspca_dev, 0x0096, "\x01\x08\x04", 3); + reg_w_buf(gspca_dev, 0x00a0, "\x44\x44\x44\x04", 4); + reg_w_buf(gspca_dev, 0x00f0, "\x01\x00\x00\x00\x22\x00\x20\x00", 8); + reg_w_buf(gspca_dev, 0x00f8, "\x3f\x00\x0a\x01\x00", 5); + + reg_w(gspca_dev, 0xff, 0x04); + reg_w(gspca_dev, 0x02, 0x04); + reg_w(gspca_dev, 0x03, 0x54); + reg_w(gspca_dev, 0x04, 0x07); + reg_w(gspca_dev, 0x05, 0x2b); + reg_w(gspca_dev, 0x06, 0x09); + reg_w(gspca_dev, 0x07, 0x0f); + reg_w(gspca_dev, 0x08, 0x09); + reg_w(gspca_dev, 0x09, 0x00); + reg_w(gspca_dev, 0x0c, 0x07); + reg_w(gspca_dev, 0x0d, 0x00); + reg_w(gspca_dev, 0x0e, 0x00); + reg_w(gspca_dev, 0x0f, 0x62); + reg_w(gspca_dev, 0x10, 0x08); + reg_w(gspca_dev, 0x12, 0x07); + reg_w(gspca_dev, 0x13, 0x00); + reg_w(gspca_dev, 0x14, 0x00); + reg_w(gspca_dev, 0x15, 0x00); + reg_w(gspca_dev, 0x16, 0x00); + reg_w(gspca_dev, 0x17, 0x00); + reg_w(gspca_dev, 0x18, 0x00); + reg_w(gspca_dev, 0x19, 0x00); + reg_w(gspca_dev, 0x1a, 0x00); + reg_w(gspca_dev, 0x1b, 0x03); + reg_w(gspca_dev, 0x1c, 0xa0); + reg_w(gspca_dev, 0x1d, 0x01); + reg_w(gspca_dev, 0x1e, 0xf4); + reg_w(gspca_dev, 0x21, 0x00); + reg_w(gspca_dev, 0x22, 0x08); + reg_w(gspca_dev, 0x24, 0x03); + reg_w(gspca_dev, 0x26, 0x00); + reg_w(gspca_dev, 0x27, 0x01); + reg_w(gspca_dev, 0x28, 0xca); + reg_w(gspca_dev, 0x29, 0x10); + reg_w(gspca_dev, 0x2a, 0x06); + reg_w(gspca_dev, 0x2b, 0x78); + reg_w(gspca_dev, 0x2c, 0x00); + reg_w(gspca_dev, 0x2d, 0x00); + reg_w(gspca_dev, 0x2e, 0x00); + reg_w(gspca_dev, 0x2f, 0x00); + reg_w(gspca_dev, 0x30, 0x23); + reg_w(gspca_dev, 0x31, 0x28); + reg_w(gspca_dev, 0x32, 0x04); + reg_w(gspca_dev, 0x33, 0x11); + reg_w(gspca_dev, 0x34, 0x00); + reg_w(gspca_dev, 0x35, 0x00); + reg_w(gspca_dev, 0x11, 0x01); + setcontrast(gspca_dev); + setbrightness(gspca_dev); + setcolors(gspca_dev); + + /* set correct resolution */ + switch (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) { + case 2: /* 160x120 */ + reg_w(gspca_dev, 0xff, 0x04); + reg_w(gspca_dev, 0x02, 0x03); + reg_w(gspca_dev, 0xff, 0x01); + reg_w(gspca_dev, 0x08, 0x09); + reg_w(gspca_dev, 0x17, 0x20); + reg_w(gspca_dev, 0x1b, 0x00); +/* reg_w(gspca_dev, 0x80, 0x69); */ + reg_w(gspca_dev, 0x87, 0x10); + break; + case 1: /* 320x240 */ + reg_w(gspca_dev, 0xff, 0x04); + reg_w(gspca_dev, 0x02, 0x03); + reg_w(gspca_dev, 0xff, 0x01); + reg_w(gspca_dev, 0x08, 0x09); + reg_w(gspca_dev, 0x17, 0x30); +/* reg_w(gspca_dev, 0x80, 0x3f); */ + reg_w(gspca_dev, 0x87, 0x11); + break; + case 0: /* 640x480 */ + reg_w(gspca_dev, 0xff, 0x04); + reg_w(gspca_dev, 0x02, 0x03); + reg_w(gspca_dev, 0xff, 0x01); + reg_w(gspca_dev, 0x08, 0x08); + reg_w(gspca_dev, 0x17, 0x00); +/* reg_w(gspca_dev, 0x80, 0x1c); */ + reg_w(gspca_dev, 0x87, 0x12); + break; + } + + /* start stream */ + reg_w(gspca_dev, 0xff, 0x01); + reg_w(gspca_dev, 0x78, 0x04); + reg_w(gspca_dev, 0x78, 0x05); + + if (sd->autogain) { + sd->ag_cnt = AG_CNT_START; + sd->avg_lum = 0; + } else { + sd->ag_cnt = -1; + } +} + +static void sd_stopN(struct gspca_dev *gspca_dev) +{ + reg_w(gspca_dev, 0xff, 0x04); + reg_w(gspca_dev, 0x27, 0x80); + reg_w(gspca_dev, 0x28, 0xca); + reg_w(gspca_dev, 0x29, 0x53); + reg_w(gspca_dev, 0x2a, 0x0e); + reg_w(gspca_dev, 0xff, 0x01); + reg_w(gspca_dev, 0x3e, 0x20); + reg_w(gspca_dev, 0x78, 0x04); /* Bit_0=start stream, Bit_7=LED */ + reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_7=LED */ + reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_7=LED */ +} + +static void sd_stop0(struct gspca_dev *gspca_dev) +{ +} + +/* this function is called at close time */ +static void sd_close(struct gspca_dev *gspca_dev) +{ + reg_w(gspca_dev, 0xff, 0x04); + reg_w(gspca_dev, 0x27, 0x80); + reg_w(gspca_dev, 0x28, 0xca); + reg_w(gspca_dev, 0x29, 0x53); + reg_w(gspca_dev, 0x2a, 0x0e); + reg_w(gspca_dev, 0xff, 0x01); + reg_w(gspca_dev, 0x3e, 0x20); + reg_w(gspca_dev, 0x78, 0x04); /* Bit_0=start stream, Bit_7=LED */ + reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_7=LED */ + reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_7=LED */ +} + +static void setautogain(struct gspca_dev *gspca_dev, int luma) +{ + int luma_mean = 128; + int luma_delta = 20; + __u8 spring = 5; + int Gbright; + + Gbright = reg_r(gspca_dev, 0x02); + PDEBUG(D_FRAM, "luma mean %d", luma); + if (luma < luma_mean - luma_delta || + luma > luma_mean + luma_delta) { + Gbright += (luma_mean - luma) >> spring; + if (Gbright > 0x1a) + Gbright = 0x1a; + else if (Gbright < 4) + Gbright = 4; + PDEBUG(D_FRAM, "gbright %d", Gbright); + reg_w(gspca_dev, 0xff, 0x04); + reg_w(gspca_dev, 0x0f, Gbright); + /* load registers to sensor (Bit 0, auto clear) */ + reg_w(gspca_dev, 0x11, 0x01); + } +} + +static void sd_pkt_scan(struct gspca_dev *gspca_dev, + struct gspca_frame *frame, /* target */ + __u8 *data, /* isoc packet */ + int len) /* iso packet length */ +{ + struct sd *sd = (struct sd *) gspca_dev; + unsigned char tmpbuf[4]; + int i, p, ffseq; + +/* if (len < 5) { */ + if (len < 6) { +/* gspca_dev->last_packet_type = DISCARD_PACKET; */ + return; + } + + ffseq = sd->ffseq; + + for (p = 0; p < len - 6; p++) { + if ((data[0 + p] == 0xff) + && (data[1 + p] == 0xff) + && (data[2 + p] == 0x00) + && (data[3 + p] == 0xff) + && (data[4 + p] == 0x96)) { + + /* start of frame */ + if (sd->ag_cnt >= 0 && p > 28) { + sd->avg_lum += data[p - 23]; + if (--sd->ag_cnt < 0) { + sd->ag_cnt = AG_CNT_START; + setautogain(gspca_dev, + sd->avg_lum / AG_CNT_START); + sd->avg_lum = 0; + } + } + + /* copy the end of data to the current frame */ + frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame, + data, p); + + /* put the JPEG header in the new frame */ + gspca_frame_add(gspca_dev, FIRST_PACKET, frame, + (unsigned char *) pac7311_jpeg_header, + 12); + tmpbuf[0] = gspca_dev->height >> 8; + tmpbuf[1] = gspca_dev->height & 0xff; + tmpbuf[2] = gspca_dev->width >> 8; + tmpbuf[3] = gspca_dev->width & 0xff; + gspca_frame_add(gspca_dev, INTER_PACKET, frame, + tmpbuf, 4); + gspca_frame_add(gspca_dev, INTER_PACKET, frame, + (unsigned char *) &pac7311_jpeg_header[16], + PAC7311_JPEG_HEADER_SIZE - 16); + + data += p + 7; + len -= p + 7; + ffseq = 0; + break; + } + } + + /* remove the 'ff ff ff xx' sequences */ + switch (ffseq) { + case 3: + data += 1; + len -= 1; + break; + case 2: + if (data[0] == 0xff) { + data += 2; + len -= 2; + frame->data_end -= 2; + } + break; + case 1: + if (data[0] == 0xff + && data[1] == 0xff) { + data += 3; + len -= 3; + frame->data_end -= 1; + } + break; + } + for (i = 0; i < len - 4; i++) { + if (data[i] == 0xff + && data[i + 1] == 0xff + && data[i + 2] == 0xff) { + memmove(&data[i], &data[i + 4], len - i - 4); + len -= 4; + } + } + ffseq = 0; + if (data[len - 4] == 0xff) { + if (data[len - 3] == 0xff + && data[len - 2] == 0xff) { + len -= 4; + } + } else if (data[len - 3] == 0xff) { + if (data[len - 2] == 0xff + && data[len - 1] == 0xff) + ffseq = 3; + } else if (data[len - 2] == 0xff) { + if (data[len - 1] == 0xff) + ffseq = 2; + } else if (data[len - 1] == 0xff) + ffseq = 1; + sd->ffseq = ffseq; + gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len); +} + +static void getbrightness(struct gspca_dev *gspca_dev) +{ +/* sd->brightness = reg_r(gspca_dev, 0x08); + return sd->brightness; */ +/* PDEBUG(D_CONF, "Called pac7311_getbrightness: Not implemented yet"); */ +} + + + +static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + sd->brightness = val; + if (gspca_dev->streaming) + setbrightness(gspca_dev); + return 0; +} + +static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + getbrightness(gspca_dev); + *val = sd->brightness; + return 0; +} + +static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + sd->contrast = val; + if (gspca_dev->streaming) + setcontrast(gspca_dev); + return 0; +} + +static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + +/* getcontrast(gspca_dev); */ + *val = sd->contrast; + return 0; +} + +static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + sd->colors = val; + if (gspca_dev->streaming) + setcolors(gspca_dev); + return 0; +} + +static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + +/* getcolors(gspca_dev); */ + *val = sd->colors; + return 0; +} + +static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + sd->autogain = val; + if (val) { + sd->ag_cnt = AG_CNT_START; + sd->avg_lum = 0; + } else { + sd->ag_cnt = -1; + } + return 0; +} + +static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + *val = sd->autogain; + return 0; +} + +/* sub-driver description */ +static struct sd_desc sd_desc = { + .name = MODULE_NAME, + .ctrls = sd_ctrls, + .nctrls = ARRAY_SIZE(sd_ctrls), + .config = sd_config, + .open = sd_open, + .start = sd_start, + .stopN = sd_stopN, + .stop0 = sd_stop0, + .close = sd_close, + .pkt_scan = sd_pkt_scan, +}; + +/* -- module initialisation -- */ +#define DVNM(name) .driver_info = (kernel_ulong_t) name +static __devinitdata struct usb_device_id device_table[] = { + {USB_DEVICE(0x093a, 0x2600), DVNM("Typhoon")}, + {USB_DEVICE(0x093a, 0x2601), DVNM("Philips SPC610NC")}, + {USB_DEVICE(0x093a, 0x2603), DVNM("PAC7312")}, + {USB_DEVICE(0x093a, 0x2608), DVNM("Trust WB-3300p")}, + {USB_DEVICE(0x093a, 0x260e), DVNM("Gigaware VGA PC Camera")}, + /* and also ', Trust WB-3350p, SIGMA cam 2350' */ + {USB_DEVICE(0x093a, 0x260f), DVNM("SnakeCam")}, + {USB_DEVICE(0x093a, 0x2621), DVNM("PAC731x")}, + {} +}; +MODULE_DEVICE_TABLE(usb, device_table); + +/* -- device connect -- */ +static int sd_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), + THIS_MODULE); +} + +static struct usb_driver sd_driver = { + .name = MODULE_NAME, + .id_table = device_table, + .probe = sd_probe, + .disconnect = gspca_disconnect, +}; + +/* -- module insert / remove -- */ +static int __init sd_mod_init(void) +{ + if (usb_register(&sd_driver) < 0) + return -1; + PDEBUG(D_PROBE, "v%s registered", version); + return 0; +} +static void __exit sd_mod_exit(void) +{ + usb_deregister(&sd_driver); + PDEBUG(D_PROBE, "deregistered"); +} + +module_init(sd_mod_init); +module_exit(sd_mod_exit); |
